Variable: tab-line-new-button-show
tab-line-new-button-show is a customizable variable defined in
tab-line.el.gz.
Value
t
Documentation
If non-nil, show the "New tab" button in the tab line.
This variable was added, or its default value changed, in Emacs 27.1.
Source Code
;; Defined in /usr/src/emacs/lisp/tab-line.el.gz
(defcustom tab-line-new-button-show t
"If non-nil, show the \"New tab\" button in the tab line."
:type 'boolean
:initialize 'custom-initialize-default
:set (lambda (sym val)
(set-default sym val)
(force-mode-line-update t))
:group 'tab-line
:version "27.1")